initramfs-tools tests depend on linux-image-generic, not available on i386

[Balint Reczey]

Autopkgtest fails on i386 due to kmod pulling in linux-image-generic:i386 , but it does not exist anymore in Eoan.

http://autopkgtest.ubuntu.com/packages/i/initramfs-tools/eoan/i386

https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-eoan/eoan/i386/i/initramfs-tools/20191009_203931_515d7@/log.gz :
...
Broken autopkgtest-satdep:i386 Depends on linux-image-generic:i386 < none @un H >
  Removing autopkgtest-satdep:i386 because I can't find linux-image-generic:i386
Done
...

Manual testing:

ubuntu@autopkgtest:/initramfs-tools-0.133ubuntu10$ sudo apt install initramfs-tools-core
Reading package lists... Done
Building dependency tree
Reading state information... Done
initramfs-tools-core is already the newest version (0.133ubuntu10).
initramfs-tools-core set to manually installed.
You might want to run 'apt --fix-broken install' to correct these.
The following packages have unmet dependencies:
 autopkgtest-satdep : Depends: linux-image-generic but it is not installable
                      Depends: qemu-system
E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution).
ubuntu@autopkgtest:/initramfs-tools-0.133ubuntu10$ sudo apt install kmod
Reading package lists... Done
Building dependency tree
Reading state information... Done
kmod is already the newest version (26-1ubuntu1).
kmod set to manually installed.
You might want to run 'apt --fix-broken install' to correct these.
The following packages have unmet dependencies:
 autopkgtest-satdep : Depends: linux-image-generic but it is not installable
                      Depends: qemu-system
E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution).